Genetics

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What is Genetics?

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Genetics is the study of heredity and the variation of inherited characteristics.

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What is a Genotype?

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A genotype is the genetic constitution of an individual, represented by the alleles they possess.

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What is a Phenotype?

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A phenotype is the observable physical or biochemical characteristics of an organism, determined by both genetic makeup and environmental influences.

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What is a Punnett Square?

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A Punnett Square is a diagram used to predict the genotypes of a particular cross or breeding experiment.

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What is the Genotypic ratio in a monohybrid cross?

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The genotypic ratio in a monohybrid cross is typically 1:2:1.

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What does Homozygous mean?

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Homozygous refers to having two identical alleles for a particular gene (e.g., AA or aa).

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What does Heterozygous mean?

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Heterozygous refers to having two different alleles for a particular gene (e.g., Aa).

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What is a Dominant Gene?

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A dominant gene is a trait that is observed when there is at least one copy of the allele present.

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What is a Recessive Gene?

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A recessive gene is a trait that is only observed when two copies of the allele are present.

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What is Natural Selection?

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Natural selection is the process where organisms better adapted to their environment tend to survive and produce more offspring.